Buggy code:
public class JavaModel extends Openable implements IJavaModel { public static HashSet existingExternalFiles = new HashSet ( ) ; protected JavaModel ( ) throws Error { } public void copy ( IJavaElement [ ] elements , IJavaElement [ ] containers , IJavaElement [ ] siblings , String [ ] renamings , boolean force , IProgressMonitor monitor ) throws JavaModelException { } protected OpenableElementInfo createElementInfo ( ) { } public void delete ( IJavaElement [ ] elements , boolean force , IProgressMonitor monitor ) throws JavaModelException { } public IJavaProject findJavaProject ( IProject project ) { } protected boolean generateInfos ( OpenableElementInfo info , IProgressMonitor pm , Map newElements , IResource underlyingResource ) throws JavaModelException { } protected IJavaElement getHandleFromMementoForBinaryMembers ( String memento , IPackageFragmentRoot root , int rootEnd , int end ) throws JavaModelException { } protected IJavaElement getHandleFromMementoForSourceMembers ( String memento , IPackageFragmentRoot root , int rootEnd , int end ) throws JavaModelException { } protected IType getHandleFromMementoForSourceType ( String memento , ICompilationUnit cu , int typeStart , int typeEnd ) throws JavaModelException { } public String getHandleMemento ( ) { } protected char getHandleMementoDelimiter ( ) { } public IJavaModel getJavaModel ( ) { } public IJavaProject getJavaProject ( ) { } public IJavaProject getJavaProject ( String name ) { } public IJavaProject getJavaProject ( IResource resource ) { } public IJavaProject [ ] getJavaProjects ( ) throws JavaModelException { } public IJavaProject [ ] getOldJavaProjectsList ( ) throws JavaModelException { } public IPath getPath ( ) { } public IResource getResource ( ) { } public IResource getUnderlyingResource ( ) throws JavaModelException { } public IWorkspace getWorkspace ( ) { } public void move ( IJavaElement [ ] elements , IJavaElement [ ] containers , IJavaElement [ ] siblings , String [ ] renamings , boolean force , IProgressMonitor monitor ) throws JavaModelException { } public void rename ( IJavaElement [ ] elements , IJavaElement [ ] destinations , String [ ] renamings , boolean force , IProgressMonitor monitor ) throws JavaModelException { } public IJavaElement rootedAt ( IJavaProject project ) { } protected void runOperation ( MultiOperation op , IJavaElement [ ] elements , IJavaElement [ ] siblings , String [ ] renamings , IProgressMonitor monitor ) throws JavaModelException { } protected void toStringInfo ( int tab , StringBuffer buffer , Object info ) { } public static void flushExternalFileCache ( ) { } public static Object getTarget ( IContainer container , IPath path , boolean checkResourceExistence ) { if ( path == null ) return null ; IResource resource = container . findMember ( path ) ; if ( resource != null ) { if ( ( ! checkResourceExistence ) || ( resource . exists ( ) ) ) return resource ; return null ; } File externalFile = new File ( path . toOSString ( ) ) ; if ( ! checkResourceExistence ) { return externalFile ; } else if ( JavaModel . existingExternalFiles . contains ( externalFile ) ) { return externalFile ; } else { if ( JavaModelManager . ZIP_ACCESS_VERBOSE ) { <START_BUG> System . out . println ( ( "[JavaModel.getTarget(...)]<seq2seq4repair_space>Checking<seq2seq4repair_space>existence<seq2seq4repair_space>of<seq2seq4repair_space>" + ( path . toString ( ) ) ) ) ; <END_BUG> } if ( externalFile . exists ( ) ) { JavaModel . existingExternalFiles . add ( externalFile ) ; return externalFile ; } } return null ; } }

Fix:
System . out . println ( ( ( ( "(" + ( Thread . currentThread ( ) ) ) + ")<seq2seq4repair_space>[JavaModel.getTarget(...)]<seq2seq4repair_space>Checking<seq2seq4repair_space>existence<seq2seq4repair_space>of<seq2seq4repair_space>" ) + ( path . toString ( ) ) ) ) ;